Cable elicits support by 1.2548 after retreat from 1.2587 early London high

1.2548 was August's low (1.2529 was Tuesday's 12-week low)

GBP/USD may react to testimony from BoE's Bailey from 1315 GMT, and US data

Markets currently see 84% chance of 15th consecutive BoE hike on Sept 21

0#BOEWATCH. U.S. ISM August services index due at 1400 GMT; 52.5 forecast

ISM miss might deflate the USD. UK August construction PMI 50.8 vs 50.5 f/c